#include <SDL2/SDL.h>
#include <SDL2/SDL_net.h>
#include <string.h>
#include <stdbool.h>

#include "server.h"
#include "protocol.h"

static uint16_t port = PROTOCOL_PORT;

static void argverr() {
	SDL_Log("Invalid argument\n");
	exit(1);
}

static void useargs(char ** argv) {
	int i = 1;
	while(argv[i]) {
		if(strcmp(argv[i], "-p") == 0) {
			if(argv[++i])
				port = atoi(argv[i++]);
			else
				argverr();
		} else {
			argverr();
		}
	}	
}

static void sysinit() {
	if(SDL_Init(SDL_INIT_EVENTS) != 0) {
		SDL_Log("Unable to initialize SDL: %s\n", SDL_GetError());
		exit(1);
	}
	atexit(SDL_Quit);

	if(SDLNet_Init() != 0) {
		SDL_Log("Unable to initialize SDLNet: %s\n", SDLNet_GetError());
		exit(1);
	}
	atexit(SDLNet_Quit);
}

int main(int argc, char ** argv) {
	sysinit();
	useargs(argv);

	sv_start(port);
	sv_setclientlimit(32);

	bool run = true;
	while(run) {
		SDL_Event event;
		while(SDL_PollEvent(&event))
			if(event.type == SDL_QUIT)
				run = false;

		sv_handle();

		SDL_Delay(1);
	}

	sv_stop();

	return 0;
}